Seiko Cal. 4436 - 447

The 4436-447 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-0016e1683d73]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1987

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